42071767 has 4 divisors (see below), whose sum is σ = 42330040. Its totient is φ = 41813496.

The previous prime is 42071747. The next prime is 42071791. The reversal of 42071767 is 76717024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42071767 - 2¹¹ = 42069719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42071707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128892 + ... + 129217.

It is an arithmetic number, because the mean of its divisors is an integer number (10582510).

Almost surely, 2^42071767 is an apocalyptic number.

42071767 is a deficient number, since it is larger than the sum of its proper divisors (258273).

42071767 is a wasteful number, since it uses less digits than its factorization.

42071767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258272.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 42071767 is about 6486.2752793880. The cubic root of 42071767 is about 347.8005391310.

The spelling of 42071767 in words is "forty-two million, seventy-one thousand, seven hundred sixty-seven".